Fixing inconsistency with the media query spec and other browsers
With this change we are more interoperable with Opera and Firefox
and we have better test coverage. It fixes some tests which are not
correct according to the specs and other implementations.
Review URL: https://chromiumcodereview.appspot.com/14578010
git-svn-id: svn://svn.chromium.org/blink/trunk@150435 bbb929c8-8fbe-4397-9dbb-9b2b20218538